Progression

Current level
L1
Junior I
Obvious bugs, style issues, missing error handling, basic security, off-by-ones
What your tier is training right now
Next level
100 XP
L2 Junior II
XP remaining to promotion
Team slots
2/8
Next slot unlocks at L2
More seniority, more scope of impact
Exercises reviewed
0
0 total attempts
Retakes count as redemption, not padding

Seniority ladder

XP unlocks tiers. Each tier trains a different review muscle.

L1
Junior Iyou are hereObvious bugs, style issues, missing error handling, basic security, off-by-ones
0 XP
L2
Junior IIMutable state footguns, injection basics, incomplete edge cases
100 XP
L3
Junior IIIRace conditions, resource leaks, incorrect API usage, stale closures
250 XP
L4
MidAuth flows, concurrency, performance anti-patterns
500 XP
L5
Senior IObservability gaps, unbounded work, architectural smells
900 XP
L6
Senior IIMigration risk, operational cost, lossy data handling
1400 XP
L7
StaffCross-service consistency, failure modes under load
2100 XP
L8
PrincipalSystem-level judgment: is this the right change at all?
3000 XP

Accuracy by category

How often you catch each kind of issue across completed reviews.

Complete a few reviews to see your breakdown.